Kawasaki, Japan

Masaki Sekizawa

This inventor holds 1 USPTO granted patent. Top assignee: Ricoh Company, Ltd.. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaki Sekizawa. Retrieved from https://idiyas.com/inventor/masaki-sekizawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: Masaki Sekizawa: Innovator in Charge Roller Technology

Introduction

Masaki Sekizawa is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of image forming apparatuses, particularly through his innovative work on charge rollers. His expertise and inventions have had a lasting impact on the technology used in printing and imaging.

Latest Patents

Sekizawa holds a patent for "Charge rollers having improved layer structure and/or surface." This invention involves a charge roller designed to provide a charge to a photoconductive member. The charge roller features a metallic core that is covered by a conductive elastic layer, which is then topped with a surface layer. The conductive elastic layer is preferably made from epichlorohydrin rubber or urethane rubber. Additionally, the characteristics of thickness and roughness of both the conductive elastic layer and the surface layer are optimized for enhanced performance.

Career Highlights

Masaki Sekizawa is associated with Ricoh Company, Ltd., a leading organization in imaging and electronics. His work at Ricoh has allowed him to develop and refine technologies that are essential for modern printing solutions. His patent reflects his commitment to advancing the capabilities of charge rollers in imaging devices.

Collaborations

Throughout his career, Sekizawa has collaborated with esteemed colleagues such as Kazuo Nojima and Junji Kurokawa. These partnerships have fostered innovation and have contributed to the development of advanced imaging technologies.

Conclusion

Masaki Sekizawa's contributions to charge roller technology exemplify his dedication to innovation in the field of imaging. His patent and work at Ricoh Company, Ltd. highlight the importance of continuous improvement in technology. His efforts have undoubtedly paved the way for advancements in image forming apparatuses.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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